One battalion was lost in another world during the training ... ...
A unit belonging to a friend of the protagonist of the female student "Yu Na" "Hazuki", was absent in another world.
Sometimes I do not know when it is possible to solve the connection between the hero's world and another world,
The battalion tried to return the search for the unit to which Hazuki belonged.
The protagonist of "Yuuna" began to act alone in another world to find "Hazuki".
On the other hand, "Hazuki" was caught by another world ... ...
He was subjected to various sexual tortures to hear the information of another world (the world where the heroes are located).